WorksheetsScience Ecology
Total questions: 15
Worksheet time: 15mins
In an ecosystem, beetles eat grain, and lizards eat the beetles. Which statement is true?
Beetles are carnivores.
Beetles are producers.
Lizards are decomposers.
Lizards are consumers.
What is pictured in the diagram?
A food web
A food chain
An energy pyramid
What do the arrows show in this food chain:
The arrow points from the organism being eaten to the organism that eats it.
The arrow points from the organism that eats it to the organism that is being eaten.
The arrow points from biggest animal to smallest animal.
The arrow points from the consumers to the producers.
What is the producer in this food chain?
Phytoplankton
Krill
Fish
Shark
As you move up a food chain, the amount of energy stored....
Increases
Decreases
Stays the same
It depends on the ecosystem
Arrows in a food web show the flow of
energy
protein
nutrients
glucose
Multiple food chains that interact together are called a ....
Spider Web
Food Spider
Food Web
Web of Food
What do decomposers do?
feed off of dead or decaying organisms
feed off of living organisms
Which animal would be most affected if the dragonfly were to die off due to a parasite?
Thrush bird
snake
the flowering plant
wolf
_____________________________________ happens among animals who need food, shelter or mates.
Adaptation
Parasitism
Competition
Can long term environmental changes in an ecosystem cause an organism to adapt over time?
no - organisms can't adapt
no - adaptations only occur in short term changes
yes - the parents will adapt immediately
yes - if a mutation occurs in the offspring
Invasive species can be harmful to their new environment because:
they aggressively eat the food that the native species would eat.
they take over the native species habitat.
All of the above
In an ecosystem, what role do decomposers play?
They produce energy from sunlight.
They consume dead organic matter.
They are primary consumers.
They are top predators.
Which of the following is an example of a mutualistic relationship in ecology?
A lion hunting a zebra.
A bee pollinating a flower.
A parasite living on a host.
A bird eating insects off a buffalo.
What is the primary source of energy for most ecosystems on Earth?
The Moon
The Sun
Volcanic activity
Ocean currents
